Tom Lane wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
> > In the spirit of incremental improvement, here is a patch that turns the
> > couple of bools in PGPROC into a bitmask, and associated fallout.
>
> Maybe declare the field as uint8 instead of char? Otherwise, +1.
I'm wondering if it's safe to do something like
MyProc->vacuumFlags |= PROC_FOR_XID_WRAPAROUND
without holding the ProcArrayLock. It seems in practice a type smaller
than "int" (which uint8 always is) is always stored atomically so this
shouldn't be a problem.
--
Alvaro Herrera http://www.PlanetPostgreSQL.org/
"La rebeldía es la virtud original del hombre" (Arthur Schopenhauer)
